How to specify the cropping area of an image with matlab?

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Sterne_17 on 29 Dec 2022

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Answered: Image Analyst on 29 Dec 2022

Accepted Answer: Image Analyst

I have got the grayscale map after edge detection using the canny algorithm, and I need to crop a part of the image. But I don't know the coordinates of the top left and bottom right corners of the cropping area (rectangle). How do I determine the coordinate values of these two points?

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Image Analyst on 29 Dec 2022

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https://au.mathworks.com/matlabcentral/answers/1886102-how-to-specify-the-cropping-area-of-an-image-with-matlab#answer_1138152

See the attached drawrectangle demo.

Demos for other shapes are also attached.

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